Finding the Third Proportional to 88,203 and 133,123.50

Step by Step Solution

1. Step 1: Write the proportion equation
   88,203 : 133,123.50 = 133,123.50 : x
2. Step 2: Convert to fraction form
   88,203/133,123.50 = 133,123.50/x
3. Step 3: Cross multiply
   88,203x = 133,123.50 × 133,123.50
4. Step 4: Simplify right side
   88,203x = 17,721,866,252.25
5. Step 5: Solve for x
   x = 17,721,866,252.25/88,203
6. Step 6: Final answer
   x = 200,921.35